Acta Mathematicae Applicatae Sinica, English Series
Acta Mathematicae Applicatae Sinica, English Series > 2004 > 20 > 1 > 167-178
Acta Mathematicae Applicatae Sinica, English Series > 2004 > 20 > 4 > 573-578
Acta Mathematicae Applicatae Sinica, English Series > 2004 > 20 > 4 > 573-578